Revision: 14698
          http://sourceforge.net/p/edk2/code/14698
Author:   vanjeff
Date:     2013-09-23 06:46:26 +0000 (Mon, 23 Sep 2013)
Log Message:
-----------
Sync patch r14682 from main trunk.
Fix a bug in Ip4 driver that Ip4.Transmit() interface may return 
EFI_INVALID_PARAMETER without restore TPL.

Revision Links:
--------------
    http://sourceforge.net/p/edk2/code/14682

Modified Paths:
--------------
    branches/UDK2010.SR1/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Impl.c

Modified: branches/UDK2010.SR1/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Impl.c
===================================================================
--- branches/UDK2010.SR1/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Impl.c        
2013-09-23 06:18:17 UTC (rev 14697)
+++ branches/UDK2010.SR1/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Impl.c        
2013-09-23 06:46:26 UTC (rev 14698)
@@ -2002,7 +2002,8 @@
 
     RawHdrLen = (UINT8) (RawHdrLen & 0x0f);
     if (RawHdrLen < 5) {
-      return EFI_INVALID_PARAMETER;
+      Status = EFI_INVALID_PARAMETER;
+      goto ON_EXIT;
     }
 
     RawHdrLen = (UINT8) (RawHdrLen << 2);
@@ -2014,7 +2015,8 @@
     DontFragment = IP4_DO_NOT_FRAGMENT (Head.Fragment);
 
     if (!DontFragment) {
-      return EFI_INVALID_PARAMETER;
+      Status = EFI_INVALID_PARAMETER;
+      goto ON_EXIT;
     }
 
     GateWay = IP4_ALLZERO_ADDRESS;

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